This from the Leicester Mercury...

To avoid palpitations, members of the 'Elf 'n' Safety taliban do not need to tune in.
UPDATE: This from NR's Internet Rapid Rebuttal Unit...
I can say from personal experience that Mr Clarkson takes his railway health and safety very seriously.
Here is a picture from 2006 where Top Gear pointed out the foolishness of car drivers trying to better trains at level crossings.

Note Clarkson wearing not just one but two hard-hats and accompanied by ahem, me.